/Engine/Source/Editor/SceneOutliner/Public/SceneOutlinerDragDrop.h
Use a selector to retrieve an array of a specific data type from the items in the payload
template<typename [DataType](API\Plugins\OptimusCore\DataType)> [TArray](API\Runtime\Core\Containers\TArray)< [DataType](API\Plugins\OptimusCore\DataType) > GetData ( [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< bool([TWeakPtr](API\Runtime\Core\Templates\TWeakPtr)< [ISceneOutlinerTreeItem](API\Editor\SceneOutliner\ISceneOutlinerTreeItem) >, [DataType](API\Plugins\OptimusCore\DataType) &)> Selector ) const